TELEPHONE SOCKET WIRING This page describes how to wire and cable telephone sockets in the UK only. As with all electrical work, if you are not trained or experienced in such matters, then the advice is to seek the expertise of a professional. Sockets can only be installed on the new plug and socket system.. Learn how to wire a telephone socket with a detailed wiring diagram. Get step-by-step instructions and tips for installing a telephone socket in your home.
For example, the LJU2/6A is an extension socket with screw terminals in a 67mm square box. The 'A' suffix indicates the mating plug is type 431A or 631A (qv). An LJU2/3 C 'left-handed' extension socket is available for specialist applications to accommodate plugs type 430A and 630A (qv). The NTE (Network Termination Equipment) socket Sometimes known as 'CTE' (Customer Termination.. Telephone extension socket wiring diagrams describe how the telephone extension socket is wired. It includes the type of cable used to connect the socket with other telephone connections, the color coding of the wires, the manner of connecting wires, and the different ports to plug in various kinds of equipment.